Home / 279,657,792,010.80-419,486,688,016.20-277,698,687,908.40

Finding the Fourth Proportional to 279,657,792,010.80, 419,486,688,016.20 and 277,698,687,908.40

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Solution

The fourth proportional to 279,657,792,010.80, 419,486,688,016.20 and 277,698,687,908.40 is: 416,548,031,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,657,792,010.80 : 419,486,688,016.20 = 277,698,687,908.40 : x
  2. Step 2: Convert to fraction form
    279,657,792,010.80/419,486,688,016.20 = 277,698,687,908.40/x
  3. Step 3: Cross multiply
    279,657,792,010.80x = 419,486,688,016.20 × 277,698,687,908.40
  4. Step 4: Simplify right side
    279,657,792,010.80x = 116,490,902,857,139,101,892,608
  5. Step 5: Solve for x
    x = 116,490,902,857,139,101,892,608/279,657,792,010.80
  6. Step 6: Final answer
    x = 416,548,031,862.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.